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  <h1 class="title">简介</h1>
  <p class="para">
   The functions in this extension implement client access to files
   servers speaking the File Transfer Protocol (FTP) as defined in 
   <a href="http://www.faqs.org/rfcs/rfc959" class="link external">&raquo;&nbsp;http://www.faqs.org/rfcs/rfc959</a>.  This extension is
   meant for detailed access to an FTP server providing a wide range
   of control to the executing script. If you only wish to
   read from or write to a file on an FTP server, consider using
   the <a href="wrappers.ftp.html" class="link"><em>ftp://</em> wrapper</a>
   with the <a href="ref.filesystem.html" class="link">filesystem functions</a>
   which provide a simpler and more intuitive interface.
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